Written by Bradley Keffer
Reviewed by Bradley Keffer — September 8, 2026
The Basis of Criminal Liability in Indiana
TL;DR: Every criminal conviction in Indiana rests on the ground rules set out in Indiana Code chapter 35-41-2. Before the State can convict a person of a crime, it generally must prove a voluntary act combined with a culpable mental state, meaning the person acted intentionally, knowingly, or recklessly as defined in Indiana Code 35-41-2-2. The chapter also governs when a business can be prosecuted, when helping someone else commit a crime makes you guilty of that crime, why voluntary intoxication is not a defense, and how a string of small property offenses can be combined into a single felony charge.
When people are charged with a crime, they understandably focus on the specific offense named in the charging document: battery, theft, dealing, operating while intoxicated. But every offense in the Indiana criminal code sits on top of a shared foundation. Chapter 2 of Indiana Code article 35-41, titled Basis of Liability, supplies the rules that apply to virtually every prosecution in the state. It defines what counts as a criminal act, what the State must prove about the defendant’s state of mind, who can be held responsible for a crime, and which excuses the law does and does not accept.
Understanding the basis of criminal liability in Indiana matters because these six short sections quietly decide cases every day. Whether a jury believes you acted knowingly rather than recklessly can be the difference between a criminal misdemeanor and a felony, and some of the strongest defense strategies available are rooted in this chapter rather than in the statute defining the offense itself. If you are facing criminal charges, the criminal defense attorneys at Keffer Hirschauer LLP can help. Call 317-648-9560 today or schedule a free case consultation.
Voluntary Conduct: The First Requirement
Under Indiana Code 35-41-2-1, a person commits an offense only if they voluntarily engage in conduct in violation of the statute defining the offense. The requirement sounds obvious, but it does real work. Conduct produced by a reflex, a seizure, or movements made while unconscious is not voluntary, and it cannot support a conviction no matter what harm resulted.
The statute also addresses two situations that trip people up. First, a failure to act is a crime only when the person had a statutory, common law, or contractual duty to act. A parent has a legal duty to protect their child, and a paid caregiver has a contractual duty to their patient, so their omissions can be criminal. A bystander with no such duty generally cannot be prosecuted for standing by.
Second, when possession of property is part of the prohibited conduct, it is a defense that the person was not aware of the possession for a time long enough to end it. Consider a driver who borrows a friend’s car with drugs hidden under the seat. If the driver never became aware of the drugs, this defense is squarely in play.
Culpability: Intentionally, Knowingly, and Recklessly
Nearly every offense in the Indiana criminal code requires proof of a culpable mental state, and Indiana Code 35-41-2-2 defines the three that matter:
- Intentionally: A person acts intentionally when it is their conscious objective to engage in the conduct. This is the most demanding mental state, requiring proof of purpose.
- Knowingly: A person acts knowingly when they are aware of a high probability that they are engaging in the conduct. The State does not need to prove purpose, only awareness.
- Recklessly: A person acts recklessly when they engage in conduct in plain, conscious, and unjustifiable disregard of harm that might result, and the disregard involves a substantial deviation from acceptable standards of conduct.
The differences are easiest to see in a driving example. A driver who steers into a pedestrian on purpose acts intentionally. A driver who speeds through a crowded festival street, aware people will almost certainly be in the way, acts knowingly. A driver who blows through a red light while texting acts recklessly. Same harm, three different mental states, and dramatically different charges under the Indiana sentencing guidelines.
Subsection (d) of the statute adds a rule that defense lawyers use constantly: unless the statute defining the offense provides otherwise, the required culpability applies to every material element of the prohibited conduct. If the State proves a defendant acted knowingly as to one element but not another, the charge fails. Our discussion of criminal recklessness in Indiana shows how these definitions operate in a single offense that can be charged at three different levels.
When Businesses Face Criminal Charges
The basis of criminal liability in Indiana is not limited to individuals. Under Indiana Code 35-41-2-3, a corporation, limited liability company, partnership, or unincorporated association may be prosecuted for any offense, but it may be convicted only if the State proves the offense was committed by the entity’s agent acting within the scope of the agent’s authority.
Two practical points follow. A rogue employee committing crimes for purely personal reasons generally does not expose the company to conviction, because the conduct falls outside the scope of authority. And when an entity is convicted, recovery of fines, costs, and forfeitures is limited to the entity’s own property, so an owner’s personal assets are not automatically on the line. These questions arise most often in fraud, environmental, and regulatory prosecutions, where charging decisions frequently target the business and individual managers at the same time.
Accomplice Liability: Aiding, Inducing, or Causing an Offense
One of the most consequential provisions in the chapter is Indiana Code 35-41-2-4, Indiana’s accomplice liability statute. A person who knowingly or intentionally aids, induces, or causes another person to commit an offense commits that offense. There is no separate, lesser crime of being an accomplice in Indiana. The lookout and the getaway driver face the same charge, and the same sentencing range, as the person who walked into the bank.
The statute goes further: an accomplice can be convicted even if the other person has not been prosecuted for the offense, has not been convicted of the offense, or has been acquitted of the offense. A jury’s decision to acquit the alleged principal does not protect the alleged helper.
The doctrine has limits, though, and they matter. Mere presence at the scene of a crime is not enough to convict, and neither is a failure to stop the crime. Indiana courts look for evidence of affirmative participation, considering factors like presence, companionship with the offender, and the defendant’s conduct before, during, and after the offense. Accomplice liability is also distinct from conspiracy, which punishes the agreement to commit a crime as its own separate offense. Our overview of conspiracy charges in Indiana explains that distinction in greater depth.
Intoxication and Criminal Liability
Defendants sometimes assume that being severely intoxicated undercuts proof that they acted knowingly or intentionally. Indiana law forecloses that argument. Under Indiana Code 35-41-2-5, intoxication is not a defense in a prosecution for an offense and may not be taken into consideration in determining the existence of a mental state that is an element of the offense, unless the defendant meets the requirements of Indiana Code 35-41-3-5.
That cross-referenced statute preserves a narrow exception for involuntary intoxication: the defense applies only when the intoxication resulted from a substance introduced into the body without the person’s consent or without the person’s knowledge, such as a drugged drink. Outside that exception, voluntary intoxication is simply off the table as a defense, no matter how impaired the person was.
Aggregating Property Values
The newest section of the chapter, Indiana Code 35-41-2-6, applies to offenses whose penalties may be enhanced based on the value of the property involved. It permits offenses committed within a thirty-day period to be charged in a single count, with the property values added together.
The practical effect is significant. A person who shoplifts small amounts from the same retailer several times in a month might expect a series of low-level misdemeanors. Under this provision, the State can aggregate those amounts, and once the combined value crosses the $750 threshold, the charge becomes a Level 6 felony. Our discussion of theft charges with an Indianapolis theft lawyer covers those value thresholds in detail.
Why the Basis of Criminal Liability in Indiana Matters to Your Defense
Some of the most effective defense strategies in Indiana criminal cases come straight from this chapter. Challenging the State’s proof of the required mental state, invoking the every-material-element rule, establishing unwitting possession, and holding the line on mere presence in accomplice cases are all arguments built on the basis of criminal liability in Indiana rather than on the offense statute itself.
Chapter 2 also works hand in hand with the defenses codified in the next chapter of the code, including self-defense and entrapment in Indiana. A complete defense strategy examines both: whether the State can prove liability in the first place, and whether a statutory defense defeats the charge even if it can.
Charged with a Crime? Start with Lawyers Who Know How the State Proves It
Prosecutors build cases around these provisions every day, deciding whether the evidence supports a knowing or merely reckless mental state, whether to pursue an accomplice theory, and whether to aggregate property values into a felony count. Keffer Hirschauer LLP is led by Bradley Keffer and Tom Hirschauer III, two former deputy prosecutors who made those charging decisions themselves and now use that experience to find the weaknesses in the State’s proof.
Our attorneys scrutinize every element of every charge, from voluntariness to mental state to the sufficiency of an accomplice theory, and we build defense strategies designed to protect your record, your rights, and your future. Contact us today at 317-648-9560 to discuss your case or complete our online contact form to schedule a consultation.